C++ multimap maxsize()用法及代碼示例

// C++ program to illustrate 
// multiset::max_size() 
#include <bits/stdc++.h> 
using namespace std; 
  
int main() 
{ 
  
    // initialize container 
    multimap<int, int> mp1, mp2; 
  
    cout << "The max size of mp1 is " << mp1.max_size(); 
    cout << "\nThe max size of mp2 is " << mp2.max_size(); 
    return 0; 
}